A collections of necklaces and pendants that has something for everyone, from delicate and subtle pendants that gently catch the light, to bolder statement pieces that certainly grab our attention for many wonderful reasons.
So many of her pieces are designed to be able to be layered up and worn together, offering you endless ways in which you can express your individuality with her.

Her jewellery is designed and created in our workshop and gallery in Llandeilo, South Wales UK and the gallery artists are specially selected from the finest national and international designer jewellers.

Pendants and necklaces

241 products

£
£
Dathlu / Celebration: Long Silver Pendant - Mari Thomas Jewellery
Mari Thomas Jewellery Last Chance: Atgofion / Memories Long Silver Pendant
£235.00
£235.00
carthenni silver and gold plated medium pendant - welsh blankets Mari Thomas
Mari Thomas Jewellery Carthenni Embossed: St David's Cross Design - Medium silver and gold pendant
£310.00
£310.00
Welsh gold and silver Carthenni Welsh blanket inspired necklace/pendant designed and made in Wales. Portcullis design
Mari Thomas Jewellery Carthenni Embossed: Portcullis Design - Medium silver and gold pendant
£310.00
£310.00
Welsh gold and silver Carthenni Welsh blanket inspired necklace/pendant designed and made in Wales.
Mari Thomas Jewellery Carthenni Embossed: Caernarfon 1 Design - Medium silver and gold pendant
£310.00
£310.00
carthenni large silver and gold plated pendant - welsh blankets Mari Thomas
Mari Thomas Jewellery Carthenni Embossed: Portcullis Design - Large silver and gold pendant
£440.00
£440.00
carthenni large silver and gold plated pendant - welsh blankets Mari Thomas
Mari Thomas Jewellery Carthenni Embossed: Caernarfon 2 Design - Large Silver and Gold Pendant
£440.00
£440.00
carthenni silver and gold plated large pendant - welsh blankets Mari Thomas
Mari Thomas Jewellery Carthenni Embossed: Caernarfon 1 Design- Large silver and gold pendant
£440.00
£440.00
Mari Thomas Jewellery Pages Collection: Triple Silver Pendant
£450.00
£450.00
SOLD OUT
Mari Thomas Jewellery One of a Kind: (No. 9) Solitaire Series 2 Necklace with Princess Cut Diamond
£1,295.00
£1,295.00
SOLD OUT
Mari Thomas Jewellery One of a Kind: (No. 7) Brushstrokes Pendant with black diamonds
£950.00
£950.00
SOLD OUT
Mari Thomas Jewellery One of a Kind: (No. 11) Cube Pendant with Assher Cut Diamond
£1,550.00
£1,550.00
Mari Thomas Jewellery One of a Kind: (No. 13) Bespoke Carthenni Silver Pendant with Natural Yellow Diamonds
£2,700.00
£2,700.00
SOLD OUT
Mari Thomas Jewellery One of a Kind: (No. 14) Bespoke Silver Glissando pendant with Triangular Diamond
£650.00
£650.00
SOLD OUT
Mari Thomas Jewellery One of a Kind: (No. 5) Bespoke Dathlu Silver Pendant with Old Cut Diamonds
£850.00
£850.00
SOLD OUT
Mari Thomas Jewellery One of a Kind: (No 4.) Solitaire Necklace with Round Brilliant Cut Diamond
£895.00
£895.00
SOLD OUT
Mari Thomas Jewellery One-of-a-Kind: (No.3) Bespoke Cofio Pendant in Silver with Emerald Cut Diamond
£685.00
£685.00
SOLD OUT
One of a Kind: (No 1.) Bespoke Silver and Diamond Bubbles Necklace - Mari Thomas Jewellery
Mari Thomas Jewellery One of a Kind: (No 1.) Bespoke Silver and Diamond Bubbles Necklace
£995.00
£995.00
White Cultured River Pearl Necklace With 9ct Clasp - Mari Thomas Jewellery
Mari Thomas Jewellery One-of-a-kind: White cultured river pearl necklace with 9ct clasp
£165.00
£165.00
Mixed Cultured River Pearl Necklace With 9ct Gold Ball Clasp - Mari Thomas Jewellery
Mari Thomas Jewellery One-of-a-kind: Mixed cultured river pearl necklace with 9ct gold ball clasp
£345.00
£345.00
Pale Pink Cultured River Pearl Necklace With Silver Sparkle Clasp - Mari Thomas Jewellery
Mari Thomas Jewellery Pink cultured river pearl necklace with silver sparkle clasp
£220.00
£220.00
Peach Pink Cultured River Pearl Necklace - Mari Thomas Jewellery
Mari Thomas Jewellery One-of-a-kind: Peach pink cultured river pearl necklace with 14ct gold clasp
£185.00
£185.00
Glissando: 9ct Rose Gold Circular Pendant with Diamonds - Mari Thomas Jewellery
Mari Thomas Jewellery Glissando nell' oro: 9ct Rose Gold Circular Pendant with Diamonds
£2,580.00
£2,580.00
Contemporary Welsh gold and silver jewellery designed and made in Wales and inspired by the Welsh landscape. This torque neckpiece is inspired by the Welsh poem Cofio meaning remember by Waldo Williams handcrafted in solid silver with 22ct gold plating.
Mari Thomas Jewellery Cofio / Remember: Gold and Silver Torque Neckpiece
£1,400.00
£1,400.00
Cube: Black Silver Drop Pendant - Mari Thomas Jewellery
Mari Thomas Jewellery Cube: Black Silver Drop Pendant
£130.00
£130.00
Cube: Black Silver 3 Drop Pendant - Mari Thomas Jewellery
Mari Thomas Jewellery Cube: Black Silver 3 Drop Pendant
£280.00
£280.00
Contemporary Welsh silver jewellery. Inspired by the beautiful landscape of Wales especially slate and anthracite coal. This small textured pendant is designed and handmade in Wales
Mari Thomas Jewellery Carved: Black Silver Square Pendant
£160.00
£160.00
Contemporary Welsh silver jewellery. Inspired by the beautiful landscape of Wales especially slate and coal. This statement necklace is designed and handmade in Wales
Mari Thomas Jewellery Carved: Black Silver Arc necklace
£550.00
£550.00
Decorative Concepts: Large Black Silver Pendant - Mari Thomas Jewellery
Mari Thomas Jewellery Decorative Concepts: Large Black Silver Pendant
£640.00
£640.00
Decorative Concepts: Rose Gold Large pendant - Mari Thomas Jewellery
Mari Thomas Jewellery Decorative Concepts: Rose Gold Large pendant
£820.00
£820.00
One of a kind: Carved arc pendant with moss agate - Mari Thomas Jewellery
Mari Thomas Jewellery One of a kind - Carved arc pendant with moss agate
£595.00
£595.00
Carved: One off piece : Sculptured Silver Pendant with Moss Agate - Mari Thomas Jewellery
Mari Thomas Jewellery One of a kind: Carved sculptured silver pendant with moss agate
£390.00
£390.00
Mari Thomas Jewellery Glissando nell' oro: Small 18ct White Gold Circular Pendant with diamonds
£4,140.00
£4,140.00
Glissando: Large 18ct White Gold Pendant with diamonds - Mari Thomas Jewellery
Mari Thomas Jewellery Glissando nell' oro: Large 18ct White Gold Pendant with diamonds
£4,860.00
£4,860.00
Glissando: Small 18ct White Gold Pendant with diamonds - Mari Thomas Jewellery
Mari Thomas Jewellery Glissando nell' oro: Small 18ct White Gold Pendant with diamonds
£2,325.00
£2,325.00
Mari Thomas Jewellery One of a kind: Golden Bubbles pendant set with 1.50ct diamonds
£11,900.00
£11,900.00
Mari Thomas Jewellery Glissando nell' oro: 9ct Rose Gold Medium Pendant
£998.00
£998.00
Mari Thomas Jewellery Bubbles: Large Silver Pendant
£460.00
£460.00
Mari Thomas Jewellery Decorative Concepts: Large Silver Pendant
£640.00
£640.00
Mari Thomas Jewellery Glissando nell' oro: 9ct Rose Gold Circular Pendant
£2,130.00
£2,130.00
Mari Thomas Jewellery Glissando nell' oro: Large 9ct Rose Gold Pendant
£1,490.00
£1,490.00
Mari Thomas Jewellery Brushstroke Collection: Silver Statement Pendant
from £730.00
from £730.00
+44 (0) 1558 660001
Secure checkout
Sustainably and ethically made
5 Star excellent on Trustpilot